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KOYAMA HISAJI

Overview
  • Total Patents
    17
  • GoodIP Patent Rank
    226,440
About

KOYAMA HISAJI has a total of 17 patent applications. Its first patent ever was published in 1996. It filed its patents most often in Japan. Its main competitors in its focus markets environmental technology, materials and metallurgy and chemical engineering are KAWASAKI GIKEN KK, ZHURBA MIKHAIL G and MARUSEI HEAVY INDUSTRY WORKS L.

Patent filings in countries

World map showing KOYAMA HISAJIs patent filings in countries
# Country Total Patents
#1 Japan 17

Patent filings per year

Chart showing KOYAMA HISAJIs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Koyama Hisaji 17

Latest patents

Publication Filing date Title
JP2016089140A Foundation improvement material and foundation improvement method therefor
JP2015086676A Infiltration solidification shield treatment method of ground
JP2015062004A Fixing method of radioactive contaminated water in nuclear power plant
JP2013081348A High output long time superconducting flywheel power storage facility
JP2011131203A Production and utilization of magnesium hydroxide using steel slag and liquid after completion of desulfurization and absorption liquid of flue gas desulfurization apparatus as raw material
JP2010142797A Global warming prevention type flue gas desulfurization equipment
JP2012030136A Treatment method and device for reducing carbon dioxide emission amount of thermal power generation plant
JP2006097678A Rotary body used for energy storage apparatus, method of manufacturing rotary body, and energy storage apparatus
JPH11354975A Electromagnetic wave absorber
JPH1160328A Production of water absorbing brick using fly ash and its caked body
JPH1111994A Solidification of ash such as coal ash and its solidifying material
JPH1171143A Solidification of gypsum and solidified material
JPH10109013A Magnesium oxide and regenerated sulfuric acid recovering type flue gas desulfurization apparatus
JPH1059717A Oxide superconducting material containing rare earth element and its production
JPH09329355A Warm water recovery type electric warm water heating system
JPH09317827A Fiber reinforced plastic made fly-wheel and manufacture thereof
JPH09291801A Feed water treatment with electrolytic oxygen in power plant